Conceptual Physics (12th Edition)

by
Hewitt, Paul G.

Published by
Addison-Wesley

ISBN 10:
0321909100

ISBN 13:
978-0-32190-910-7

Chapter 20 - Reading Check Questions (Comprehension): 24

Answer

Wind-generated resonance caused the bridge to oscillate at its natural frequency. The bridge swung back and forth, and these movements increased in amplitude, as driven resonant oscillations are wont to do.
Finally, the bridge shook itself apart.